Diane Mallach, LCSW
Clinical Social Worker · Belleville, NJ
Diane Mallach, LCSW is a clinical social worker with a practice address in Belleville, New Jersey, and NPI 1508966417, issued on Sep 22, 2006. Check the license (New Jersey 44SC00284200, as entered in NPPES) with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diane Mallach
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 44SC00284200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 50 Newark Ave, Belleville, NJ 07109
- Phone
- (973) 450-0220
- Enumerated
- Sep 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (973) 450-0162
- Medicare enrollment
- Enrolled (PECOS I20041201000052); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,790 in New Jersey → Look up another NPI →
Also registered at 50 Newark Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Arena, D.P.M.Podiatrist1861464539
- Liviu Craciun, M.D., PH.D.Neurology Physician1902022882
- Mario Criscito, M.D.Cardiovascular Disease Physician1063411957
- Craig Gialanella, M.D.Internal Medicine Physician1467596502
- Peter Gould, M.D.Family Medicine Physician1801944921
- Sameer Kaul, M.D.Cardiovascular Disease Physician1699006445
Verify Diane Mallach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 44SC00284200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diane Mallach among 9,790 clinical social worker records in New Jersey
Diane Mallach, LCSW is one of 9,790 clinical social worker records with a practice address in New Jersey. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 89% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated1973 · median 2006 among the 2,147 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 clinical social worker records list a practice address in Belleville
They are 19 of the 561 NPPES records with a practice address in Belleville, and 9,790 clinical social worker records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,790 in New Jersey → Every provider in Belleville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Najamah Davis, MSW, LCSWBelleville, NJ 071091437715828
- Daniel Erbach, LCSWBelleville, NJ 071091477693521
- Philip Hymowitz, LCSWBelleville, NJ 071091821240052
- Lori Ippolito, PH.D.Belleville, NJ 071091871785717
- Lisa Johnson, L.C.S.W.Belleville, NJ 071091770853798
- Elise Linden, LCSWBelleville, NJ 071091124070388
- Ariaceliz Ortiz, LCSWBelleville, NJ 071091881991875
- Delizia Pannullo, LCSWBelleville, NJ 071091548468911
Common questions
What is Diane Mallach, LCSW's NPI number?
Diane Mallach, LCSW's National Provider Identifier (NPI) is 1508966417, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Mallach, LCSW located?
The NPPES record lists a practice address at 50 Newark Ave, Belleville, NJ, 07109. Phone: (973) 450-0220. Providers update this record themselves, so call before visiting.
How can I verify Diane Mallach, LCSW's license?
NPPES lists New Jersey license number 44SC00284200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.